Metal detector



FIG. 1 is a right side elevation view of a metal detector showing the new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side, top, and front perspective view thereof;

FIG. 5 is a right side, top, and rear perspective view thereof;

FIG. 6 is a rear elevation view thereof;

FIG. 7 is a front elevation view thereof;

FIG. 8 is a left side, bottom, and rear perspective view thereof; and,

FIG. 9 is a left side, bottom, and front perspective view thereof. 

CLAIM The ornamental design for a metal detector, as shown and described. 